Patent US2420359A successfully refreshed from Google Patents.
US2420359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making dies
Assignee: Bendix Aviation Corp
•
Filing: 1944-05-22
•
Granted: 1947-05-13
•
Expires: 1964-05-22
Abstract
No abstract record available.
Inventors
- 👤 Don E Dasher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:08
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US673822A
Cited
US1380919A
Cited
US1691756A
Cited
US1868788A
Cited
US1747311A
Cited
US1958072A
Cited
US1866790A
Cited
US1912889A
Cited
US1950604A
Cited
US1947916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |